65992968 has 96 divisors (see below), whose sum is σ = 188042400. Its totient is φ = 21679488.

The previous prime is 65992967. The next prime is 65992973. The reversal of 65992968 is 86929956.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65992967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161148 + ... + 161556.

It is an arithmetic number, because the mean of its divisors is an integer number (1958775).

Almost surely, 2^65992968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65992968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94021200).

65992968 is an abundant number, since it is smaller than the sum of its proper divisors (122049432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65992968 is a wasteful number, since it uses less digits than its factorization.

65992968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 497 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 65992968 is about 8123.6056034251. The cubic root of 65992968 is about 404.1096490273.

The spelling of 65992968 in words is "sixty-five million, nine hundred ninety-two thousand, nine hundred sixty-eight".